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Phagocytes and neutrophils are both white blood cells that can engulf and consume pathogenic microorganisms. These white blood cells consume pathogenic bacteria to stop them from spreading and help keep the body free of ... More »

www.reference.com Science Human Anatomy

White blood cells help fight infections in the body by attacking pathogens, such as bacteria and viruses, after they invade the bloodstream. Healthline states that these cells are formed in the bone marrow and circulate ... More »

www.reference.com Science Human Anatomy Blood

White blood cells have a nucleus, but red blood cells do not. White blood cells play protect the body from disease and infection. More »

www.reference.com Science Biology Cells
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The presence of white blood cells in the urine is typically evidence of a urinary tract infection, according to MedicineNet.com. Urinary tract infections usually involve the bladder or kidneys, although the ureters or ur... More »

www.reference.com Science Human Anatomy

B cells are white blood cells that differentiate into plasma B cells and produce antibodies specified for certain antigens. These cells can produce many antibodies in order to eradicate the foreign antigens from the huma... More »

www.reference.com Science Human Anatomy Blood

The blood-brain barrier refers to the lining of capillaries in the brain with tightly packed endothelial cells, creating a semi-permeable membrane that blocks many substances from passing out of or into the brain through... More »

www.reference.com Science Human Anatomy

The composition of blood consists of various components, such as plasma, white blood cells, red blood cells and platelets. Plasma, which is the fluid component that contains the different blood cells and substances of wh... More »

www.reference.com Science Human Anatomy Blood